Bicycle frame



FIG. 1 is a front-left-top perspective view of a "bicycle frame", showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a top elevational view thereof;

FIG. 6 is a bottom elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a perspective view of the "bicycle fram" wherein the second half thereof is shown in phantom lines for illustrative only; and,

FIG. 9 is a embodiment of a side elevational view of a bicycle with the "bicycle frame" disposed thereto. 

The ornamental design for a "bicycle frame ", as shown and described. 